transcoder: set fallback format to avif

1 files changed, 9 insertions, 4 deletions

diff --git a/transcoder/src/image.rs b/transcoder/src/image.rs
index c28ef2b..7ae2976 100644
--- a/transcoder/src/image.rs
+++ b/transcoder/src/image.rs
@@ -1,6 +1,7 @@
+use anyhow::Context;
 use jellybase::{cache_file, AssetLocationExt};
 use jellycommon::AssetLocation;
-use log::info;
+use log::{debug, info};
 use rgb::FromSlice;
 use std::{
     fs::File,
@@ -22,9 +23,13 @@ pub fn transcode(
     .path();
     if !path.exists() {
         info!("encoding {path:?} (speed={speed}, quality={quality}, width={width})");
-        let reader = image::io::Reader::new(BufReader::new(File::open(original_path)?))
-            .with_guessed_format()?;
-        let original = reader.decode()?.to_rgba8();
+        // TODO shouldn't be neccessary with guessed format.
+        let file = BufReader::new(File::open(&original_path).context("opening source")?);
+        let mut reader = image::io::Reader::new(file);
+        reader.set_format(image::ImageFormat::Avif);
+        let reader = reader.with_guessed_format().context("guessing format")?;
+        debug!("guessed format (or fallback): {:?}", reader.format());
+        let original = reader.decode().context("decoding image")?.to_rgba8();
         let image = image::imageops::resize(
             &original,
             width as u32,